stains
v. (使)染色( stain的第三人称单数 ); 褪色,变污; 玷污,败坏(名声)
A stain is a mark on something that is difficult to remove.
Remove stains by soaking in a mild solution of bleach.
用温和的漂白剂浸泡以去除污迹。
...a black stain.
黑色污迹
If a liquid stains something, the thing becomes coloured or marked by the liquid.
Some foods can stain the teeth, as of course can smoking.
某些食物会在牙齿上留下污渍,吸烟当然也会。
Try using lemon juice to remove tobacco stains from your fingers.
试试用柠檬汁去除手指上的烟渍。
Remove stains by soaking in a mild solution of bleach.
用温和的漂白剂浸泡以去除污迹。
Stains are removed with buckets of soapy water and scrubbing brushes.
污渍是用几桶肥皂水和几把硬毛刷除去的。
This treatment removes the most stubborn stains.
这个方法能清除大多数顽固污渍。
It was said that washing powders containing enzymes remove stains more efficiently.
据说加酶洗衣粉除污更有效.